If you acknowledge a noise on your vehicle, you are right to be careful of it and take it seriously, although it is possible that nothing significant will results, it is also possible that it is the sign of a more critical restoration. A noise that occurs in the trunk of your Mercury Mariner is luckily more a sign of a small adjustment or repair, rather than a difficult one. To support you in your research, we have chosen to compose this content to present you with the most likely solutions to your trouble. First we will see that this trunk noise on your Mercury Mariner can come from accumulated dirt, the trouble can also come from a loose lock and finally, it can even come from a simple rivet that sits inside your bumper.
Noise in the trunk Mercury Mariner : Built up dirt that triggers poor closing
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We will therefore start with a trunk noise on your Mercury Mariner created by dirt accumulated on your joints, lock for example. Indeed, it is possible that on a vehicle that is already a few years old and whose cleaning is not always a top priority or that the roads used are not very clean that dirt accumulates at the trunk gasket. This trouble triggers a poor closure of the trunk and a noise that can sound like a crack. To verify if you are in this scenario, open the trunk of your Mercury Mariner, examine the condition of the gasket that runs around the entire tailgate and clean it with a wet/soap cloth, dry the whole thing and try to close the trunk and take a dentred road to see the improvement. If this is not the case, continue to the other hypotheses that will probably give a solution. It is possible however that you have a trunk noise on your Mercury Mariner that is relating to other origins such as shock absorbers, do not hesitate to read this content on the noises at the back of a Mercury Mariner.
Noise in the trunk of my Mercury Mariner : Loose lock, clicking noise
Second possibility, you may also, over time, be the victim of a locking system that became loose. And this is one of the most likely possibilities. Indeed, knowing a trunk noise on your Mercury Mariner is very often relating to this trouble. Different solutions are existing to you according to the level of play you have with your lock. The first is that sometimes the offset is minimal and a simple greasing of the system with thick grease is good enough to solve the problem. Secondly, it is also possible that you really have a lot of play on your lock and that each time the trunk “jumps”, in which circumstance you would have to strip off the cover that allows access to the lock (inside the trunk). Then, using torx screws, you unscrew the striker attached to the threshold, just push it back a little towards the inside of the trunk and tighten it again. Don’t forget to verify the centering of the striker in relation to the trunk lock. If after looking at the trunk of your Mercury Mariner closes badly, it means that you have moved it too far, repeat the procedure by pushing the striker less.
Noise in my trunk Mercury Mariner : Rivet following plate change in the trunk/ bumper
Finally, one of the last possibilities. It is that following a license plate change you were unfortunate and that a piece of rivet fell behind your plate. Indeed, when a plate change is done, to take off the old one the procedure used is to drill the existing rivets to be able to put out the license plate. Sadly, it can happen that part of the rivet falls into the hole of the bumper and it will therefore wander inside the bumper and can induce an annoying noise. To check that it is this problem you are experiencing, and that you have a trunk noise on your Mercury Mariner linked to a rivet, you will need to verify that it is in the tailgate open it and stir it to distinguish the noise. If this is your case, you will have to take out the linings from the trunk to remove it. Finally, if it is your bumper, it is in this rarer and more embarrassing case, you will have to take off the bumper to remove the bits of rivet that are running around.
